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Modern sharks appeared in the sea. Many types on dinosaurs evolved on land.
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Dinosaurs were diverse and mammals were common. The first birds and lizards appeared.
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Plants took over the land. The first ferns, trees, wingless insects, etc. appeared.
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the eastern coast of america was at Tennesse. North Carolina was under water.
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Early mammals diversified and the first large mammals appeared. The worlds climate was still tropical.
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The first tiny vertebrates appeared. The first green plants and fungi appeared on land.
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The first vertebrates appeared on land. Trees grew taller and ferns thrived.
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Winged insects spreaded, including very large species. The first reptiles appeared.